Set up (802.3ad LACP) bonding when installing CentOS 8

This article is to show how the user could install CentOS 8 (the steps are the same with CentOS 7) with a much complex network setup such as Bonding device in 802.3ad mode (LACP – Link Aggregation Control Protocol).
The whole installation procedure is not included here, but there are couple of other article on the subject “Install CentOS 7 or CentOS 8”:

Similar configuration files will be generated as in Configure Bond (802.3ad LACP) device in CentOS 8 – configuration files

SCREENSHOT 1) Click on “Network and Host Name” to configure the machine networking.

main menu
Installation Summary – Network and Host Name

SCREENSHOT 2) Add a new network device by clicking on the plus button at the bottom of the Device List.

main menu
Network and Host Name

SCREENSHOT 3) Add “Bond” from the dropdown box and click on “Add”.

main menu
Add device

SCREENSHOT 4) Select the proper bonding mode. Here a link aggregation device is created therefore 802.3ad is selected.

802.3ad requires addition configuration in the switch the network cards are connected. Select the proper mode here for the your case. If no switch additional configuration was done the “Round-robin” mode should’ve be selected.

main menu
Editing Bond connection – bodning mode

SCREENSHOT 5) Add the network interfaces, which are part of the bond device by clicking on the “Add” button.

Tune accordingly the Bond device options (Monitoring frequency, Link up delay, Link down delay and MTU), too.

main menu
Editing Bond connection – add interfaces

SCREENSHOT 6) Click on the dropdown box to select the connection type of the bonding slave device.

It might be grey as if it is not enabled, but if you click on the dropdown box you could select the type. And the dialog will change it state from gray to normal aka active state.

main menu
Editing Bond connection – choose a connection type

SCREENSHOT 7) Select the Ethernet from the dropdown box.

main menu
Editing Bond connection – choose a connection type – ethernet

SCREENSHOT 8) Click on “Create…” button to add an ethernet device to the bonding device created above.

main menu
Editing Bond connection – selected ethernet device

SCREENSHOT 9) Select the proper network interface (ens1f0) from the dropdown box and click on “Save”.

By clicking on “Save” the network device will be added to the bodning group.

main menu
Editing Bond connection – edit slave

SCREENSHOT 10) Click on “Add” to add a second device.

main menu
Editing Bond connection – add interfaces 2

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